
Impenetrability
Physical Barrier
Refers to literal obstruction like walls, shields, or natural barriers that can't be passed through.
The impenetrability of the safe made it impossible for thieves to access the contents.
Security
Often used to describe high-level security measures or materials that cannot easily be compromised.
The impenetrability of the company's cybersecurity system kept all data safe.
Metaphoric Use
Used metaphorically to imply something is very strong, it often relates to strength or resilience.
His willpower was admired for its impenetrability in face of adversities.
Compare with
AccessibilityDurabilityFortificationHardInviolabilityInvulnerability
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